Macro Scale

Latest Innovations

Control Methods and Circuits for Extremely Fast Response in Switching Power Converters

 

A method for accomplishing energy changes for a power converter to minimize an impact of a disturbance. The power converter includes energy storage and switches....

Commutation technique for an ac-to-ac converter based on state machine control

 

This invention is a technique that resolves current commutation challenges in various types of ac-ac switching power converters. It also applies to inverters and...

Startup Circuit For Power Converters With Arbitrarily Low Input Voltage

 

A startup circuit for starting a power converter for converting an input voltage to an output voltage includes a switch connected in series with a resistive...

Series-Input Parallel Output Multiple DC-DC Converter with Dynamic Current Sharing for High-Current DC Power Supply

 

The combination of a unique series-input parallel-output (SIPO) circuit configuration and a sensorless current mode (SCM) technique ensures automatic and nearly...

Multiple-Input Buck Boost Power Converter

A power converter circuit to convert multiple direct current (dc) inputs to one or more dc outputs. This dc-dc power converter allows its load to be powered by multiple,...

Multiple-Carrier Pulse Width Modulation for Inverter Operation

 

A method for generating pulse width modulated control signal has the steps of providing a base carrier waveform, segmenting the base carrier waveform into a...

Trade-off method for power factor correction

 

The invention recognizes that filter size can be reduced substantially as power factor is permitted to deviate below unity in systematic ways. Preferred methods...

A Method for Compensating Wave Reflections in Transmission Lines

 

This technology is a method to eliminate voltage overshoot in cables used to connect AC electric motors and pulse width modulation (PWM) inverters. As a function...

Method for Isolating Antennas Using Meandered-Line Ground Plane Surface Wave Filter

 

A wireless communication device includes multiple antennas spaced apart from each other. Also included is a dielectric substrate with electrically conductive...

Microvascular Networks and Composite Materials Using Sacrificial Fibers

 

This technology is a biologically inspired 3D microvascular networks within composite materials provide damage management and active temperature regulation. 

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